Impact of scalar mesons on the rare B-decays

被引：0
|
作者：
Issadykov, Aidos [1 ]
Ivanov, Mikhail A. [2 ]
Sakhiyev, Sayabek K. [1 ]
机构：
[1] LN Gumilyov Eurasian Natl Univ, Fac Phys & Tech Sci, Satpayev 2, Astana 010008, Kazakhstan
[2] Joint Inst Nucl Res, Bogoliubov Lab Theoret Phys, Dubna 141980, Russia
来源：
9TH JOINT INTERNATIONAL HADRON STRUCTURE '15 CONFERENCE | 2015年 / 39卷
关键词：
B-meson; scalar light mesons; form factors; PHYSICS;
D O I：
10.1142/S2010194515600861
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
In the wake of exploring uncertainty in the full angular distribution of the B -> K pi + mu(+)mu(-) caused by the presence of the intermediate scalar K-0* meson, we perform the straightforward calculation of the B(B-s) -> S (S is a scalar meson) transition form factors in the full kinematical region within the covariant quark model. We restrict ourselves by the scalar mesons below 1 GeV: a(0)(980), f(0)(500), f(0)(980), K-0* (800). As an application of the obtained results we calculate the widths of the semileptonic and rare decays B(B-s) -> Sl (nu) over bar, B(Bs) -> Sl (l) over bar and B(Bs) -> S nu(nu) over bar. We compare our results with those obtained in other approaches.
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页数：6
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